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Chelsea O'Donnell, the 17-year-old daughter of comedian Rosie O'Donnell, has gone missing, according to O'Donnell's website.

The younger O'Donnell was reported missing in Nyack, New York. Police have been searching for her in the Rockland County area since Sunday.

Chelsea O'Donnell, daughter of Rosie O'Donnell
Chelsea O'Donnell, daughter of Rosie O'Donnell

Randy Salas, Star Tribune

Chelsea was last seen August 11, wearing a black sweatshirt hoodie, dark ripped blue jeans women's grey Converse sneakers and a black backpack.

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The younger O'Donnell, the oldest of three children that the comedian had with her ex Kelli Carpenter, has a large tattoo on her right side depicting a dream catcher with the word "Breathe." She left home with her therapy dog, a six-month-old, nine-pound black terrier named Bear.

According to O'Donnell's website, Chelsea had stopped taking her medicine and is in need of medical attention.

Anyone with information regarding Chelsea should contact authorities at (845) 358-0206 or 911.